Interrupt controller module STMPE321
18/40 Doc ID 15791 Rev 3
INT_CTRL Interrupt control register
Address: 0x08
Type: R/W
Reset: 0x01
Description: This register is used to enable control of the polarity, edge/level and enabling of the
interrupt system device.
76543210
RESERVED POLARITY TYPE INT_EN
[7:3] RESERVED
[2] POLARITY:
'0' for active low
'1' for active high
For active low operation, the INT pin should be externally pulled high. The INT pin is pulled to
GND when there is a pending interrupt.
For active high operation, the INT pin should be externally pulled to GND. In this mode, the INT
pin is pulled to V
CC
by the device when there is a pending interrupt.
[1] TYPE:
'0' for level trigger
'1' for edge trigger (pulse width is 200 nS)
[0] INT_EN:
'0' to disable all interrupts
'1' to enable all interrupts
